Definition of "Dotty"

If you really believed and if you waited ever so quietly, you would see Dotty the witch pottering around in her kitchen or picking herbs to put in her potato stew.

2013, D. Vanstone, Dotty and the Fix-it-Cats, page 7

“It's Dotty!” As if there were only one Dotty in the world. “Dotty who?” a voice asked from behind the door. “Why, Dotty Fickett!” she replied. The door opened and a woman stood there, her face gaunt and filled with sadness. “Mrs. Doherty?”

2015, Constance C. Greene, Dotty's Suitcase, Open Road Media